+func (r *Registry) GetRESTSubscription(restSubId string, IsDelReqOngoing bool) (*RESTSubscription, error) {
+ r.mutex.Lock()
+ defer r.mutex.Unlock()
+ if restSubscription, ok := r.restSubscriptions[restSubId]; ok {
+ // Subscription deletion is not allowed if prosessing subscription request in not ready
+ if restSubscription.SubDelReqOngoing == false && restSubscription.SubReqOngoing == false {
+ if IsDelReqOngoing == true {
+ restSubscription.SubDelReqOngoing = true
+ }
+ r.restSubscriptions[restSubId] = restSubscription
+ return restSubscription, nil
+ } else {
+ return restSubscription, fmt.Errorf("Registry: REST request is still ongoing for the endpoint=%v, restSubId=%v, SubDelReqOngoing=%v, SubReqOngoing=%v", restSubscription, restSubId, restSubscription.SubDelReqOngoing, restSubscription.SubReqOngoing)
+ }
+ }
+ return nil, fmt.Errorf("Registry: No valid subscription found with restSubId=%v", restSubId)
+}
+
+func (r *Registry) QueryHandler() (models.SubscriptionList, error) {
+ r.mutex.Lock()
+ defer r.mutex.Unlock()
+
+ resp := models.SubscriptionList{}
+ for _, subs := range r.register {
+ subs.mutex.Lock()
+ resp = append(resp, &models.SubscriptionData{SubscriptionID: int64(subs.ReqId.InstanceId), Meid: subs.Meid.RanName, ClientEndpoint: subs.EpList.StringList()})
+ subs.mutex.Unlock()
+ }
+ return resp, nil
+}
+
+func (r *Registry) allocateSubs(trans *TransactionXapp, subReqMsg *e2ap.E2APSubscriptionRequest, resetTestFlag bool, rmrRoutecreated bool) (*Subscription, error) {
+ if len(r.subIds) > 0 {
+ subId := r.subIds[0]
+ r.subIds = r.subIds[1:]
+ if _, ok := r.register[subId]; ok == true {
+ r.subIds = append(r.subIds, subId)
+ return nil, fmt.Errorf("Registry: Failed to reserve subscription exists")
+ }
+ subs := &Subscription{
+ registry: r,
+ Meid: trans.Meid,
+ RMRRouteCreated: rmrRoutecreated,
+ SubReqMsg: subReqMsg,
+ OngoingReqCount: 0,
+ OngoingDelCount: 0,
+ valid: true,
+ PolicyUpdate: false,
+ RetryFromXapp: false,
+ SubRespRcvd: false,
+ DeleteFromDb: false,
+ NoRespToXapp: false,
+ DoNotWaitSubResp: false,
+ }
+ subs.ReqId.Id = subReqMsg.RequestId.Id
+ subs.ReqId.InstanceId = subId
+ r.SetResetTestFlag(resetTestFlag, subs)
+
+ if subs.EpList.AddEndpoint(trans.GetEndpoint()) == false {
+ r.subIds = append(r.subIds, subs.ReqId.InstanceId)
+ return nil, fmt.Errorf("Registry: Endpoint existing already in subscription")
+ }
+ return subs, nil
+ }
+ return nil, fmt.Errorf("Registry: Failed to reserve subscription no free ids")
+}
+
+func (r *Registry) findExistingSubs(trans *TransactionXapp, subReqMsg *e2ap.E2APSubscriptionRequest) (*Subscription, bool) {
+
+ for _, subs := range r.register {
+ if subs.IsMergeable(trans, subReqMsg) {
+
+ //
+ // check if there has been race conditions
+ //
+ subs.mutex.Lock()
+ //subs has been set to invalid
+ if subs.valid == false {
+ subs.mutex.Unlock()
+ continue
+ }
+ // If size is zero, entry is to be deleted
+ if subs.EpList.Size() == 0 {
+ subs.mutex.Unlock()
+ continue
+ }
+ // Try to add to endpointlist. Adding fails if endpoint is already in the list
+ if subs.EpList.AddEndpoint(trans.GetEndpoint()) == false {
+ subs.mutex.Unlock()
+ xapp.Logger.Debug("Registry: Subs with requesting endpoint found. %s for %s", subs.String(), trans.String())
+ return subs, true
+ }
+ subs.mutex.Unlock()
+
+ xapp.Logger.Debug("Registry: Mergeable subs found. %s for %s", subs.String(), trans.String())
+ return subs, false
+ }
+ }
+ return nil, false
+}
+
+func (r *Registry) AssignToSubscription(trans *TransactionXapp, subReqMsg *e2ap.E2APSubscriptionRequest, resetTestFlag bool, c *Control, createRMRRoute bool) (*Subscription, ErrorInfo, error) {
+ var err error
+ var newAlloc bool
+ errorInfo := ErrorInfo{}
+ r.mutex.Lock()
+ defer r.mutex.Unlock()
+
+ //
+ // Check validity of subscription action types
+ //
+ actionType, err := r.CheckActionTypes(subReqMsg)
+ if err != nil {
+ xapp.Logger.Debug("CREATE %s", err)
+ err = fmt.Errorf("E2 content validation failed")
+ return nil, errorInfo, err